メモ
yum install yum-fastestmirror rpm -Uvh http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-5.noarch.rpm rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm rpm -Uvh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.2-2.el6.rf.x86_64.rpm rpm -Uvh http://dl.atrpms.net/el6-x86_64/atrpms/stable/atrpms-repo-6-5.el6.x86_64.rpm
hdid -nomount ram://$((2048*1024*4)) newfs_hfs -v RAMDISK /dev/disk3 diskutil mount /dev/disk3 hdiutil eject disk3